134236211 has 4 divisors (see below), whose sum is σ = 140072592. Its totient is φ = 128399832.

The previous prime is 134236187. The next prime is 134236213. The reversal of 134236211 is 112632431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112632431 = 1013 ⋅111187.

It is a cyclic number.

It is not a de Polignac number, because 134236211 - 2¹⁰ = 134235187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5836357 = 134236211 / (1 + 3 + 4 + 2 + 3 + 6 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134236213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2918156 + ... + 2918201.

It is an arithmetic number, because the mean of its divisors is an integer number (35018148).

Almost surely, 2^134236211 is an apocalyptic number.

134236211 is a deficient number, since it is larger than the sum of its proper divisors (5836381).

134236211 is an equidigital number, since it uses as much as digits as its factorization.

134236211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836380.

The product of its digits is 864, while the sum is 23.

The square root of 134236211 is about 11586.0351717056. The cubic root of 134236211 is about 512.0235012711.

Adding to 134236211 its reverse (112632431), we get a palindrome (246868642).

The spelling of 134236211 in words is "one hundred thirty-four million, two hundred thirty-six thousand, two hundred eleven".